class All {
    int a = 0;
    int b = 0;

    public void test() {
        System.out.println("a:"+a);
    }

    public All(int a, int b) {
        this.a = a;
        this.b = b;
    }
}
public class Test1 extends All {
    public Test1(int a, int b) {
        super(a, b);
    }
    int a = 1;

    public void test() {
        System.out.println("a:"+this.a);
    }

    public static void main(String[] args) {
        Test1 test = new Test1(0,0);
        test.test();
    }
}

